We're all embedded in vast social networks of friends, family, co-workers and more. Nicholas Christakis tracks how a wide variety of traits can spread from person to person, showing how your location in the network might impact your life in ways you don't even know. Christakis highlights how new forms of data collection allow us to locate the central people within a network and ultimately "use these insights to improve society and improve human well-being."

We are realising the limits of virtualisation. We still need to grow real food, wear real clothes, move real things around in the real world. And the way we do that hasn't changed fundamentally in the past 50 years. The internet has given us a new operating system, but it’s time to upgrade our hardware.

The technological world is growing faster than ever, bringing the Fourth Industrial Revolution even closer to being our reality. The First Industrial Revolution brought us mechanisation, the Second brought mass production and the Third introduced computers and automation. But what about the Fourth Industrial Revolution? What does it entail and what does it mean for us?